Russian blue are medium sized cats originating from Russia. They are also known as Archangel Blue and Archangel Cat. The males weigh between 7-11 pounds and females between 5-8 pounds. They are used as lap cats. their coat is short and dense commonly found in blue and silver colors. It is quiet and sensitive. They are known for their affectionate and protective nature. They are well behaved with other pet breeds and get along well with children and strangers. They enjoy to indulge in adventurous activities but are mostly known for their quiet and calm disposition.